<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>九九乘法表</title>
</head>

<body>
  
    <script>
        var a ='九九乘法表';
        document.write('<h1>'+a+'</h1>');
         document.write('<table border="1">');
        for (var i = 1; i <= 9; i++) {
            document.write("<tr>");

            for (var j = 1; j <= 9; j++) {
                document.write("<td>"+ j + '×' + i + '=' + (i * j) + "</td>");
                if(i==j){
                document.write('<br/>');
                break;
                }
            }
                document.write("</tr>");

            }


        document.write("</table>");

    </script>
</body>

</html>


